build all freertos, not able to build net lwip due to lack of sio_open()

examples/device/cdc_msc_freertos/CMakeLists.txt

@@ -17,8 +17,6 @@ endif()
 
 add_executable(${PROJECT})
 
-set(freertos_path ${CMAKE_CURRENT_SOURCE_DIR}/../../../lib/FreeRTOS-Kernel)
-
 # Example source
 target_sources(${PROJECT} PUBLIC
   ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
@@ -30,15 +28,16 @@ target_sources(${PROJECT} PUBLIC
 # Example include
 target_include_directories(${PROJECT} PUBLIC
   ${CMAKE_CURRENT_SOURCE_DIR}/src
-  ${freertos_path}/include
   )
 
 # Configure compilation flags and libraries for the example... see the corresponding function
 # in hw/bsp/FAMILY/family.cmake for details.
 family_configure_device_example(${PROJECT})
 
+if (NOT TARGET freertos_kernel)
 family_add_freertos_config(${PROJECT})
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../../../lib/FreeRTOS-Kernel lib/FreeRTOS-Kernel)
+endif()
 
 target_link_libraries(${PROJECT} PUBLIC
   freertos_kernel

examples/device/hid_composite_freertos/CMakeLists.txt

@@ -1,16 +1,43 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.17)
 
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
 
 # gets PROJECT name for the example (e.g. <BOARD>-<DIR_NAME>)
 family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR})
 
-project(${PROJECT})
+project(${PROJECT} C CXX ASM)
 
 # Checks this example is valid for the family and initializes the project
 family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
 
-# Check for -DFAMILY=
-if(NOT FAMILY STREQUAL "espressif")
-  message(FATAL_ERROR "Invalid FAMILY specified: ${FAMILY}")
+# Espressif has its own cmake build system
+if(FAMILY STREQUAL "espressif")
+  return()
 endif()
+
+add_executable(${PROJECT})
+
+# Example source
+target_sources(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
+  )
+
+# Example include
+target_include_directories(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  )
+
+# Configure compilation flags and libraries for the example... see the corresponding function
+# in hw/bsp/FAMILY/family.cmake for details.
+family_configure_device_example(${PROJECT})
+
+if (NOT TARGET freertos_kernel)
+family_add_freertos_config(${PROJECT})
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../../../lib/FreeRTOS-Kernel lib/FreeRTOS-Kernel)
+endif()
+
+target_link_libraries(${PROJECT} PUBLIC
+  freertos_kernel
+  )

examples/device/net_lwip_webserver/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.17)
 
 set(TOP "../../..")
 get_filename_component(TOP "${TOP}" REALPATH)
@@ -9,7 +9,7 @@ if (EXISTS ${TOP}/lib/lwip/src)
     # gets PROJECT name for the example (e.g. <BOARD>-<DIR_NAME>)
     family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR})
 
-    project(${PROJECT})
+    project(${PROJECT} C CXX ASM)
 
     # Checks this example is valid for the family and initializes the project
     family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})